Skin rest



B. P. BOHACEK v SKIN REST Filed Auz. 24, 1921 I IN VENTOR.

BRUNO PAUL BOHACEK ATTQRISIEYS.

Patented Junk-12,1925. it

UNITED STATES [PATENT OFFICE,

nsnno PAUL BOHACEK, or FRANKFORT-ON-THE-MAIN, GERMANY, ASSIG-NOB. TO THE,

CORPORATION or raesonrnnnrnnam MOENNS as, or FnAnKFo'eT-omrnn- MAIN, GERMANY. I

SKIN nnsr.

Application filed August 24, 1921. Serial No. 495,091. (GRANTED UNDER THE PROVISIONS OF THE-ACT OF MARCH 3, 1921, 41 STAT. L., 1313.)

To all 20720222, itmay concern: erted by the whole surface of the rubber- 55 Be it known that I, BRUNO PAUL Bolodge a may be regulated to any desired de- InionK, a citizen of the Kingdom of Hungree. I gary, residing at Franktort-on-the-Main, The turning of a single handwheel allows V Germany, State of Prussia, have invented to increase the pressure at the corresponding certain new and useful Improvements in point of the workingsurface. The rubber 60 Skin Rests (for which I have filed an aptube 05' may press with a certain flattened plication in Germany, Jan. 80th, 1914, Patarea against a part of the rear side of the out N o. 2.)t,53l), of which the following is a ledge c. If the pressure is increased, the full, clear, and exact description; state shown in Figure 3 may be arrived at,

The invention consists in a skin pressing andthe state shown in Figure 4 by further 65 and supporting device for machines for increasing the pressure. The metal strips fleshing, shaving, scudding and similar (2 6 will be bent according to the different treatment of hides and skins. V positions arrived at by the flattening of the The object of the invention is to protube (Z at the diiferent points.

vide a work support in which the pressure Now what I claim and desire to secure by 70 may be regulated differently at different Letters Patent is the followings-V points of the whole length of the working 1. In a machine of the characterdescribed surface of the support, and which provides the combination of a continuous rubber ledge considerable pliancy, resiliency and local extending over the machine and flexible to adaptability to the hide or leather adapt its working face closely to the varia- 7 In the accompanying drawings Fig. lis tions of thickness of the hide, a guide for a sectional view of the device, Fig. 2 a the ledge, apneumatic tube disposed along view from above. Figures 3 and 4. are secand in contact with the rear face of the tional views showing the differentregulation ledge.

of the pressure at different points. 2. In a machine as specified in claim one Q0 The work support consists first oi a ruba series of individually controllable means her-ledge c, movable between guiding-plates to apply different pressures to different a, oft and towards the working roller 6. An points of the pneumatic tube and to flatten inflatable rubber tube is providedat the the same'to a different degree against difrear side of the rubber-ledge 0 in contact ferent points of the rear face of the said 55 with it, and is controlled by counter-bearings ledge. c 0, arranged in series over the length of In a machine of the character described the machine, to regulate the pressure at will the combination of a rubber ledge sliding at different points. between guides, an'inflatable rubber tube The counter-bearing 6-6 is connected with provided along and in contact with the rear 00 a press screw 72 by a bolt'n. A nut 76 is side of said ledge, a pliable metal strip suprotatably mounted in the enc'asingz'and may erimposed onthe said tube, and means to be turned by a hand wheel at. The bolt 70. exert different pressures at different points to i id d i a l t 0 o-f'th engaging, to the said strip to compressthe tube dif- The counter-bearing is composed of two ferent extents. 9'5 bliable metal str ps 6 6 extending all over 4. In a machine of the characterdescribed the length of the machine, the combination of a rubber ledge sliding The rubber tube (Z is strengtl'iened by inbetween guides, an inflatable rubber tube l id Wovern fabric and surrounded by a provided along and in contact with the rear cover 7 of fabric or the like laid around the side of said ledge, two flexible metal strips strips 8 e and fixed to two metal plates prosuperimposed against the said tube, a 'cover vided at the two side surfaces of the ledge c. for said tube plied around said metal strips The bolt n is pivoted to a foot-plate g and confining said tube against said rubberpressing against the strips 6 c. ledge, and means to flex the strips toward The way of working of the device is the the tube through variable and ditlerentex 1 following. By simultaneously turning the tents at different points therealong, so to hand-wheels m, the pressure in the whole vary the compression of the tube at differtube and correspondlngly the pressure excut points.

an edge to each guide,

In a machine of the character described the combinat-ion'olj a rubber ledge, an inflatable tube provided at and along the rear side of said ledge, pliable metal strips ex tending along the length of said tube, pressing screws, and foot-plates interposed between the ends of the screws and the pliable strips at different points whereby operation" of the screws will flex the strips at different points variable amounts and thereby compress the tube different and variable amounts at the different points. 7 p

6. In a machine of the character described, the combination of a continuous flexible ledge, means for supporting the ledge for flexure laterally and thus project to different extents along one face, a pneumatic tube disposed along and in contact with the face of the ledge opposite said one face, and means tor variably flattening the tube against the ledge variable and different extents along its length.

7. In a machine of the character described, the combination a; flexible ledge, a support in which theledge is slidaible laterally so as to flex and therebyproject to different extents. along one face, a pneumatic tube disposed along and in contact with the face of the ledge oppositesaid one face, a pliable strip extending along the tube, and means for flexing the strip I at differentpoints so as to compress the tube against the ledge variable and diflierent amounts along its length, I r

S. In a machine of the character described, the combination of a flexible lodge, a pair of guides between which the ledge is slidably supported for lateral movement, a pneumatic tube disposed along the ledge so as toexert lateral pressure thereon tending to cause sliding movement of the ledge, a pair of flexible strips-arranged side by slide along the tube on the side opposite the ledge, a pair of flexible covers, one anchored along each cover extending around the adjacent side of the tube and anchored to the adjacent strip, so as to confine the tube between the ledge, strips, and covers, and means for pressing the strips toward the ledge variable -and different amounts at different points along the same to exert varying pressures on the ledge.

parallel with the 9.. In a, machine of the character described}, a continuous elongated ledge, flexible laterally an abutment surface extending substantially ledge and normal to the plane of flexure of the ledge, a pneumatic tube disposed between the abutment surface and the ledge, and means for varying the pressure on said tube.

10. In a machine of the character described, a continuous elongated ledge, flexible laterally in one plane from end to end, means for preventing flexure in other planes, an abutment surface extending substantially parallel with the ledge, and normal to the plane oat flexure otthe ledge, a, pneumatic tube disposed between the abutment surface and theiled-ge, and means for creating variable pressures on the said tube for varying the pressure on said ledge.

11. In, a machine of the character de scribed, aflexible ledge, means for guiding the ledge :tor flexure in one plane and prea lmeuma-tic venting fle-Xure in other planes, tube arranged along and in contact with the ledge, a flexible strip arranged along the tube for compressingitf against the ledge in hedirection of its flexure, means for pressing said strip toward the ledge to compress the tube between them, and flex ble strips connected to. said gurding' means and to, said strip at, spaced points, along the tube.

1:. In a machine of the character described, a 00111111110118 flexibleledge, means for guiding the ledge for flexure in one plane and preventing flexure in other planes, a pneumatic tube placed along the ledge for exerting pressure thereon in its flexing dL rection, a flat pressure plate extending along the tube upon the side opposite the ledge, and means for flexing the plate in a direction to flatten the tube against the ledge, the tube being; substantially unconfined against expansion laterally.

13.'In a machine of the character described, a continuous flexible rubber ledge, and means for pressing the ledge in one directionwhile yieldingly permitting flexure along its length. 1 r r In witness whereof, I hereunto subscribe my signature this. th day of August 1921.

BRUNO PAUL BOHACEK.

in one plane from end to end, r; 

